github/semantic
1
1
Fork 0
mirror of https://github.com/github/semantic.git synced 2024-11-29 11:02:26 +03:00
Code Issues Projects Releases Wiki Activity

Use discardNullTerms to compute both states.

Browse Source
This commit is contained in:
Rob Rix 2015-10-06 21:39:11 -04:00
parent 321622d553
commit 8a9f74a0ff
1 changed files with 2 additions and 20 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
prototype/Doubt/Free.swift
View File

@ -103,29 +103,11 @@ extension Free where B: PatchConvertible, B.Info == A {
}
public var before: Term? {
return map { $0.patch.state.before }.iterate {
switch $0 {
case let .Leaf(a):
return .In(.Leaf(a))
case let .Indexed(a):
return .In(.Indexed(a.flatMap(id)))
case let .Keyed(a):
return .In(.Keyed(Dictionary(elements: a.flatMap { k, v in v.map { (k, $0) } })))
}
}
return map { $0.patch.state.before }.iterate(self.discardNullTerms)
}
public var after: Term? {
return map { $0.patch.state.after }.iterate {
switch $0 {
case let .Leaf(a):
return .In(.Leaf(a))
case let .Indexed(a):
return .In(.Indexed(a.flatMap(id)))
case let .Keyed(a):
return .In(.Keyed(Dictionary(elements: a.flatMap { k, v in v.map { (k, $0) } })))
}
}
return map { $0.patch.state.after }.iterate(self.discardNullTerms)
}
}